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CJ-II Standard Aggregate Impact Toughness Tester

This document specifies the test method and calculation procedure for the impact toughness of standard aggregates used in railway ballast. It complies with the TB/T 2140.2-2018 standard.

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Pavement, Subgrade, and Aggregate Testing Equipment

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CJ-II Standard Aggregate Impact Toughness Tester

Description

Product Introduction:

This instrument is suitable for the test method and calculation of impact toughness of standard aggregates used in railway ballast. It complies with the TB/T 2140.2-2018 standard.

Technical Specifications:

Graduated cylinder	Volume: 1000 ml, Height: 115 mm
Tamping rod	Diameter 10 mm, length 230 mm, with hemispherical ends.
Impact Cup	Inner diameter 110 mm ± 1 mm, 80 mm ± 1 mm
Drop weight	5kg
Drop height	Approximately 500 mm
External dimensions	240240865mm
Net weight of the product	25kg

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Customer Reviews

European Plastic Pipe Manufacturer｜Purchase: Ring Stiffness & Hydrostatic Burst Tester

From Thomas Bennett, Quality Director, UK plastic pipe factory

2026.06.05

★★★★★

“We have purchased two sets of pipe testing equipment from Laibote (Tianjin) for 18 months. The ring stiffness and hydrostatic burst testing machines run stably for daily batch inspection, test data matches ISO standard requirements precisely, and the intelligent test software is easy for our operators to master. Their after-sales team offers timely remote technical guidance whenever we have operational problems, spare parts supply is efficient. We have arranged a second bulk order for our new production workshop and will recommend Laibote’s testing machines to our industry partners across Europe.”

Middle East Construction Lab｜Purchase: Universal Electronic Testing Machine & Geotextile Test Equipment

From Mohamed Kareem, Lab Manager, UAE third-party construction inspection institute

2026.06.05

★★★★★

“We compared multiple testing equipment brands from Europe and China before cooperating with Laibote. Their WDW universal tester and full-set geotextile testing instruments meet local construction testing standards perfectly. Custom fixtures tailored per our specimen specifications save much testing time. Pre-sale technical communication was patient and professional; engineers provided online operation training after goods arrived. Stable machine performance greatly improves our laboratory’s detection efficiency, we are satisfied with cost performance and overall service.”

Southeast Asia Rubber & Polymer Factory｜Purchase: Vicat Softening Point & Tensile Testing Machine

From Tanaka Hiroshi, R&D Supervisor, Indonesia rubber materials enterprise

2026.06.05

★★★★★

“Laibote’s Vicat softening point tester and electronic tensile machine have been applied to our raw material incoming inspection and new formula development for over one year. High testing accuracy effectively controls our product defect rate. What impresses us most is their responsive after-sale service; technical staff reply our troubleshooting requests within 24 hours even for time zone differences. Compared with expensive European brands, Laibote’s equipment balances quality and price excellently, we plan to expand procurement of auxiliary testing instruments next quarter.”

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CJ-II Standard Aggregate Impact Toughness Tester

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